http://hci.stanford.edu/paper/deployments/cs160/talk/ Your TA knows the user/password. Incidentally, the password is the same as the one used to edit this wiki.

The repository is http://papertoolkit.googlecode.com/svn/demos/trunk. Use TortoiseSVN or some other client to check it out.

Kill AcrobatInfo.exe (it is a hidden process that preloads the PDF). If you are trying to render a PDF, and get a "process cannot access the file because it is being used by another process" error, this is also likely caused by AcrobatInfo.exe.